Jonathan Montuori, 35, was arrested at about 1:30 p.m. after getting into a dispute at the roommates’ apartment at 89 Dryer Road, Fallsburg police Detective Travis Hartman said. The two had been having an ongoing dispute when Montuori slashed the man in the lower left part of his stomach, Hartman said. The injured man was taken to Catskill Regional Medical Center in Harris, Hartman said. His injuries didn’t appear to be lifethreatening. Montuori was charged with assault, a felony.